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Finding the Fourth Proportional to 365,948.70, 548,145.45 and 303,740.70

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Solution

The fourth proportional to 365,948.70, 548,145.45 and 303,740.70 is: 454,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,948.70 : 548,145.45 = 303,740.70 : x
  2. Step 2: Convert to fraction form
    365,948.70/548,145.45 = 303,740.70/x
  3. Step 3: Cross multiply
    365,948.70x = 548,145.45 × 303,740.70
  4. Step 4: Simplify right side
    365,948.70x = 166,494,082,684.82
  5. Step 5: Solve for x
    x = 166,494,082,684.82/365,948.70
  6. Step 6: Final answer
    x = 454,965.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.